SN4 ""

No	Pattern	Freq
1	[pron] is [to-vb] [that]	91
2	[pron] is [to-vb] that	91
3	[pron] is [to-vb] that	91
4	[pers pn] is [to-vb] [conj]	79
5	it is [to-vb] [conj]	64
6	it is [to-vb] [conj]	64
7	[pron] is to say [conj]	51
8	[Wh det] is [to-vb] [conj]	46
9	[pron] is [to-vb] [coord]	45
10	[pron] is [to-vb] and	36
11	[pron] is [to-vb] and	36
12	which is [to-vb] [conj]	33
13	which is [to-vb] [conj]	33
14	[pron] is [to-vb] [subord]	24
15	who is [to-vb] [conj]	18
16	[Wh pn] is [to-vb] [conj]	18
17	who is [to-vb] [conj]	18
18	what is [to-vb] [conj]	13
19	what is [to-vb] [conj]	13
20	[indef pn] is [to-vb] [conj]	12
21	one is [to-vb] [conj]	10
22	one is [to-vb] [conj]	10
23	[pron] is to happen [conj]	9
24	he is [to-vb] [conj]	7
25	[pron] is [to-vb] whether	7
26	he is [to-vb] [conj]	7
27	[pron] is to ensure [conj]	7
28	[pron] is to see [conj]	7
29	[pron] is [to-vb] whether	7
30	[pron] is [to-vb] if	6